原型模式——克隆

public class Prototype implements Cloneable {
    public Prototype(String name) {
        this.name = name;
    }
    private String name;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    @Override
    protected Object clone() throws CloneNotSupportedException {
        return super.clone();
    }
}

Prototype p1 = new Prototype("test");
Prototype p2 = (Prototype) p1.clone();
System.out.println(p1.toString());
System.out.println(p2.toString());
com.jd.xq.Prototype@2f0e140b
com.jd.xq.Prototype@2f0e140b